AlligationUse alligation to determine the parts of each strength of the components needed in each equation. How much 95% dextrose and how much 40% dextrose are needed to obtain a 70% concentration?

A 57-year-old man fell on the sidewalk, hitting his head on the concrete. According to witnesses, the patient was unresponsive for several minutes following the fall. Which one of the following would be MOST critical to relay to the physician in the emergency department?

A) History of depression B) Knee replacement two years ago C) Position in which the patient was found D) History of alcoholism

Failure to adequately assess the scene of a possible toxin exposure may:

A) Lessen the chances of a patient getting a weapon B) Allow the patient to be removed more quickly C) Put the EMS providers in danger D) Shorten your exposure time, thus eliminating symptoms